yourfanat wrote: I am using another tool for Oracle developers - dbForge Studio for Oracle. This IDE has lots of usefull features, among them: oracle designer, code competion and formatter, query builder, debugger, profiler, erxport/import, reports and many others. The latest version supports Oracle 12C. More information here.
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OpenNebula in Amazon EC2: A Private Cloud Within a Public Cloud
Nested cloud computing with OpenNebula

C12G Labs, the company behind the OpenNebula project, has just announced the availability of the OpenNebula Sandbox for Amazon EC2OpenNebula is a widely-deployed open-source management solution for enterprise data center virtualization and private cloud computing that implements the Amazon EC2 interface. With the new Sandbox you can deploy in a single click an AWS-compatible OpenNebula nested cloud on Amazon EC2, where you can launch virtual machines within an Amazon instance.

The OpenNebula Sandbox is a CentOS 6.3 virtual machine appliance with a pre-configured automated installation of OpenNebula 3.8, a virtualization node using emulation (QEMU) ready to execute virtual machines, and prepared images to offer a feature rich cloud experience. Users are able to log into the OpenNebula cloud, monitor the managed resources, and launch instances of virtual machines without the hassle of configuring a physical infrastructure.

The Sandbox provides a fast and easy way for cloud trainers to teach OpenNebula, for cloud builders and operators to evaluate OpenNebula, and for developers to test their integrations against a real controlled OpenNebula environment. It is not intended for production environments due to the overhead in the hardware emulation. However the OpenNebula innovative functionality for cloudbursting opens the possibility of using the OpenNebula Sandbox as an Amazon-hosted broker to orchestrate and aggregate different Amazon availability zones.

OpenNebula Sandbox is part of a new program created by C12G Labs that aims to provide different tools and guides to eliminate the challenges of implementing a small-scale OpenNebula cloud for development, testing or integration. The Sandbox is also available for VirtualBox, KVM, and VMware.

About Ignacio M. Llorente
Dr. Llorente is Director of the OpenNebula Project and CEO & co-founder at C12G Labs. He is an entrepreneur and researcher in the field of cloud and distributed computing, having managed several international projects and initiatives on Cloud Computing, and authored many articles in the leading journals and proceedings books. Dr. Llorente is one of the pioneers and world's leading authorities on Cloud Computing. He has held several appointments as independent expert and consultant for the European Commission and several companies and national governments. He has given many keynotes and invited talks in the main international events in cloud computing, has served on several Groups of Experts on Cloud Computing convened by international organizations, such as the European Commission and the World Economic Forum, and has contributed to several Cloud Computing panels and roadmaps. He founded and co-chaired the Open Grid Forum Working Group on Open Cloud Computing Interface, and has participated in the main European projects in Cloud Computing. Llorente holds a Ph.D in Computer Science (UCM) and an Executive MBA (IE Business School), and is a Full Professor (Catedratico) and the Head of the Distributed Systems Architecture Group at UCM.

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